19
4.6
Technical features
4.6.1
Boiler (gas side)
DESCRIPTION
Murelle Revolution 25
CERTIFICATIONS
Country of intended installation
IT – ES – PT – GR – SI – CZ – CH – GB – IE – SK – LT – HR
Fuel
G20 / G31
PIN number
1312CR6100
Category
II2H3P
Appliance classification
C53 - C63 - C83
Class NO
x
(*)
6 (< 56 mg/kWh)
HEATING PERFORMANCE
HEAT INPUT (**)
Nominal flow (Q
n
max)
kW
20
Minimum flow (Q
nw
min)
kW
4
HEAT OUTPUT
Nominal (80-60°C) (P
n
max)
kW
19,7
Nominal (50-30°C) (P
n
max)
kW
21,4
Minimum G20 (80-60°C) (P
n
min)
kW
3,9
Minimum G20 (50-30°C) (P
n
min)
kW
4,3
Minimum G31 (80-60°C) (P
n
min)
kW
3,9
Minimum G31 (50-30°C) (P
n
min)
kW
4,3
EFFICIENCY
Max useful efficiency (80-60°C)
%
98,5
Min useful efficiency (80-60°C)
%
97,5
Max useful efficiency (50-30°C)
%
107
Min useful efficiency (50-30°C)
%
107,5
Useful efficiency at 30% of load (40-30°C)
%
107,0
Losses after shutdown at 50°C
W
84
DOMESTIC HOT WATER PERFORMANCE
Nominal heat input (Q
nw
max)
kW
24
Minimum heat input (Q
nw
min)
kW
4
Specific D.H.W. flow rate Δt 30°C (EN 13203)
l/min
11,2
Continuous D.H.W. flow rate (Δt 25°C/Δt 35°C)
l/min
13,6 / 9,7
Minimum D.H.W. flow rate
l/min
2
Max (PMW) / Min Pressure
bar
7 / 0,5
kPa
700 / 50
ENERGY PERFORMANCE
HEATING
Heating seasonal energy efficiency class
A
Heating seasonal energy efficiency
%
93
Sound power
db(A)
54
DOMESTIC HOT WATER
Domestic hot water energy efficiency class
A
Domestic hot water energy efficiency
%
86
Stated domestic hot water profile load
XL
ELECTRICAL SPECIFICATIONS
Power supply voltage
V
230
Frequency
Hz
50
Absorbed electrical power (Q
n
max)
W
90
Absorbed electrical power at (Q
n
min)
W
68
Absorbed electrical power in stand-by
W
3,6
Electrical protection degree
IP
X5D
COMBUSTION DATA
Smoke temperature at Max/Min flow (80-60°C)
°C
82 / 66
Smoke temperature at Max/Min flow (50-30°C)
°C
59 / 45
Smoke flow Max/Min
g/s
11,2 / 1,9
CO
2
at Max/Min flow rate (G20)
%
9,0 / 9,0
CO
2
at Max/Min flow rate (G31)
%
10,0 /10,0
NOx measured (***)
mg/kWh
35
(*)
NOx class according to UNI EN 15502-1:2015
(**)
Heat input calculated using the lower heat output (Hi)
(***)
Calculated with upper calorific value (Hs)
